The Waterpik Cordless Water Flosser is one of those aggressively unsexy gifts that somehow becomes the most-used item in your bathroom ... Waterpik Cordless Water Flosser ... The Waterpik does exactly that.
You just need the WaterpikAquariusWater Flosser — 50% off on Amazon for its Black FridayWeek. Unlike traditional floss that frays, cuts into gums or gets awkwardly jammed between teeth, the Waterpik uses pressurized water to blast away plaque.